diff --git a/.github/workflows/dependency-check.yml b/.github/workflows/dependency-check.yml
index a2ea8d2..9c9f1c4 100644
--- a/.github/workflows/dependency-check.yml
+++ b/.github/workflows/dependency-check.yml
@@ -77,15 +77,15 @@ jobs:
           echo "Zod version: $ZOD_VERSION"
           echo ""
 
-          # Check MCP SDK version - must be exactly 1.20.1
+          # Check MCP SDK version - must be exactly 1.27.1
           if [[ "$SDK_VERSION" == "not found" ]]; then
             echo "❌ FAILED: Could not determine MCP SDK version!"
             echo "   The dependency may not have been installed correctly."
             exit 1
           fi
-          if [[ "$SDK_VERSION" != "1.20.1" ]]; then
+          if [[ "$SDK_VERSION" != "1.27.1" ]]; then
             echo "❌ FAILED: MCP SDK version mismatch!"
-            echo "   Expected: 1.20.1"
+            echo "   Expected: 1.27.1"
             echo "   Got: $SDK_VERSION"
             echo ""
             echo "This can cause runtime errors. See issues #440, #444, #446, #447, #450"
@@ -100,7 +100,7 @@ jobs:
             exit 1
           fi
           if [[ "$ZOD_VERSION" =~ ^4\. ]]; then
-            echo "❌ FAILED: Zod v4 detected - incompatible with MCP SDK 1.20.1!"
+            echo "❌ FAILED: Zod v4 detected - incompatible with MCP SDK 1.27.1!"
             echo "   Expected: 3.x"
             echo "   Got: $ZOD_VERSION"
             echo ""